Find zw or 
as specified. Leave your answer in polar form.z = 10(cos 30° + i sin 30°)w = 5(cos 10° + i sin 10°)Find 
.
A. 5(cos 3° + i sin 3°)
B. 5(cos 20° + i sin 20°)
C. 2(cos 3° + i sin 3°)
D. 2(cos 20° + i sin 20°)
Answer: D
You might also like to view...
New telephone lines must be installed to connect 9 cities (A, B, C, D, E, F, G, H and J). Due to government regulations, the only possible connections that are allowed are shown by the edges on the network below. The numbers on the edges indicate the cost (in millions of dollars) of each possible connection. The telephone company wishes to connect the cities in the cheapest possible way.
Using Kruskal's algorithm, which edge is chosen last?
A. EH B. AB C. BC D. DE E. none of these
Provide an appropriate response.When multiplying decimals, it is important to keep track of the number of 
in the numbers being multiplied:
A. products B. fractions C. all of these D. decimal places
Solve the equation.2r + 2 = 20
A. 16 B. 20 C. 8 D. 9
If the property tax on a $300,000 home is $2,270, what is the tax on a $150,000 home? ?
A. $1,500 B. $1,135 C. $1,143 D. $1,125 E. $227